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Toxicol Ind Health. 2012 Aug;28(7):648-54. doi: 10.1177/0748233711420471. Epub 2011 Oct 10.

The protective role of ascorbic acid on imazalil-induced genetic damage assessed by the cytogenetic tests.

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  • 1Department of Biology, Atatürk University, Erzurum, Turkey.

Abstract

Ascorbic acid (AA), known as vitamin C, has important antioxidant and metabolic functions, making its incorporation into the human diet essential. On the other hand, imazalil (IMA), a commonly used fungicide in both agricultural and clinical domains is suspected to produce very serious toxic effects in vertebrates. In this study, the antigenotoxic effects of AA were studied against the genotoxic damage induced by IMA on cultured human lymphocytes using chromosomal aberration (CA) and sister chromatid exchange (SCE) as genetic end points. Human peripheral lymphocytes were treated in vitro with varying concentrations of AA (25, 50, 100, 200, and 400 μg/ml), tested in combination with IMA (336 mg/L). AA alone was not genotoxic and when combined with IMA treatment, reduced the frequencies of CAs and SCEs. A clear dose-dependent decrease in the genotoxic damage of IMA was observed, suggesting a genoprotective role of AA. In conclusion, the preventive role of AA in alleviating IMA-induced DNA damage was indicated for the first time in the present study.

PMID:
21986888
DOI:
10.1177/0748233711420471
[PubMed - indexed for MEDLINE]
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